* Computer classes: Beginner and intermediate classes will be offered Tuesday and through the fall at the Joseph SeniorLife Center, 430 S. Broadway. Eight sessions are $42. Call 410-732-5000 to register.

* Senior luncheon: Enjoy a buffet lunch for seniors and their families, see food displays by chef Don Berry of Vantage House, and tour the retirement community of Vantage House, 5400 Vantage Point Road, Columbia, at 1 p.m. Wednesday. Call 410-992-1241 for reservations for the buffet.

* Y2K talks: Learn about the ramifications of the coming millennium at lectures through October at the Senior Network of North Baltimore, 5828 York Road. On Friday at 2 p.m., a representative from the Federal Reserve Bank tells how to keep your money safe, and on Oct. 22 at 2 p.m., a representative from the American Red Cross tells how to prepare for an emergency. Free. Call 410-323-7131.

* Art show: A judged showing of works by Howard County Art Guild members will be on view through Oct. 28 at the Florence Bain Senior Center, 5470 Beaver Kill Road, Columbia. Open from 9 a.m. to 5 p.m., Monday through Friday. Call 410-730-6257

* Program for Alzheimer's Disease patients: Adults ages 40 to 65 who are living with Alzheimer's disease and other forms of dementia can join the support group Morning Out Club every Monday and Wednesday from 10 a.m. to 2 p.m. for coffee, conversation, an excursion to an area attraction and lunch. The club is staffed by Keswick Adult Day Care professional and trained volunteers. Call 410-662-4310 for details.

* Photography exhibit: Photography and art by retired professional and amateur artisans will be on display through November at Broadmead retirement community, 13801 York Road. Hours are 11 a.m. to 4 p.m., Monday through Friday. Free. Call 410-785-7723.

* Senior classes: The Jewish Community Center of Greater Baltimore's new Helene and Leslie Moses Institute for Lifelong Learning, for men and women ages 55 and over, has just opened its doors and offers classes, programs, field trips, social activities and events at both JCCs throughout the year. Call 410-356-5200, Ext. 324.

* Legal services: The Bar Association of Baltimore City and the Baltimore City Commission on Aging and Retirement Education offer free legal service for city residents ages 60 and over. Call 410-396-1322 between 10 a.m. and 4 p.m. Monday through Friday.